Precise determination of Turkish spillway sizes from synthetic unit hydrographs to prevent flood damage

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dc.authorwosidkonukcu, fatih/ABA-9004-2020
dc.authorwosidkocaman, israfil/AAG-5590-2019
dc.contributor.authorIstanbulluoglu, A
dc.contributor.authorKonukcu, F
dc.contributor.authorKocaman, I
dc.date.accessioned2024-06-12T11:02:02Z
dc.date.available2024-06-12T11:02:02Z
dc.date.issued2004
dc.departmentTrakya Üniversitesien_US
dc.description.abstractIn Turkey, calculations of runoff hydrographs are made in practice by synthetic methods, among which Snyder and Mockus are the most widely used synthetic unit hydrographs. Using these methods without modification of the original coefficients, C-t and C-p for the Snyder and K and H for the Mockus, characterizing climatic, geological, topographic, soil texture, land use and cover features of a watershed, introduces problems in designing the capacity of spillways, in turn bringing risks for safety. The coefficients were optimized by the analysis of 127 unit hydrographs, using directly measured runoff values in 17 different experimental watersheds located in different part of Turkey between the years 1975 and 1999. After runoff analysis and statistical evaluation, C-t and C-p coefficients for the Snyder method were found between 0.10 and 1.22, and 0.52 and 0.92 while the original values ranged from 1.8 to 2.2 and from 0.5 to 0.7, respectively. K and H coefficients for the Mockus method were obtained between 0.192 and 0.330, and 0.45 and 2.23, respectively for Turkey in general, whereas the original values were 0.208 and 1.67, respectively. The size of spillways built in Turkey to date was found to be too small, and should be increased using these new coefficients to prevent flood damage.en_US
dc.identifier.doi10.1080/09064710410030285
dc.identifier.endpage120en_US
dc.identifier.issn0906-4710
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-33746358831en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage114en_US
dc.identifier.urihttps://doi.org/10.1080/09064710410030285
dc.identifier.urihttps://hdl.handle.net/20.500.14551/21118
dc.identifier.volume54en_US
dc.identifier.wosWOS:000223060400002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Asen_US
dc.relation.ispartofActa Agriculturae Scandinavica Section B-Soil And Plant Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectFlooden_US
dc.subjectRainfallen_US
dc.subjectRunoffen_US
dc.subjectSynthetic Unit Hydrographen_US
dc.subjectWatersheden_US
dc.subjectCatchmentsen_US
dc.subjectParametersen_US
dc.titlePrecise determination of Turkish spillway sizes from synthetic unit hydrographs to prevent flood damageen_US
dc.typeArticleen_US

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